.

assets/js/pupil.js

@@ -0,0 +1,22 @@
+'use strict';
+
+const LATEST_URL = "https://api.github.com/repos/tom5079/Pupil/releases/latest";
+
+function getLatestRelease() {
+    return new Promise(function(resolve, reject) {
+        const xhr = new XMLHttpRequest();
+
+        xhr.open("GET", LATEST_URL)
+        xhr.onreadystatechange = function() {
+            if (xhr.readyState === 4) {
+                if (xhr.status === 200) {
+                    resolve(JSON.parse(xhr.responseText))
+                } else {
+                    reject(new Error('XHR failed on getLAtestRelease() with status ' + xhr.status))
+                }
+            }
+        };
+
+        xhr.send();
+    })
+}